Description of Business and Summary of Significant Accounting Policies - Rollforward of Accounts Receivable Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of year	$ 5,759	$ 7,274
Bad debt allowance (recovery)	1,203	(1,000)	$ 862
Write-offs	(700)	(812)
Foreign currency translation adjustments	279	297
Balance, end of year	$ 6,541	$ 5,759	$ 7,274